Whether you use glow sticks for fun or for tactical purposes, the fact remains that they are designed to be a single use disposable item. With this little trick you should be able to kind of recharge and reuse good quality glow sticks.
You will need: a jar and glow-in-the-dark paint! First, take one of the jars and rinse it out. Next, take a paint brush and decorate the inside of the jar with polka dots of glow paint. Finally, go into a dark space and watch your jar glow!